FHWA NBI 2024 Inspection record Public-domain dataset

CARLTON ROAD

Carrying CARLTON ROAD over SOUTH BROOK

0.20 MI. RTE 32, Cheshire, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
5 t Inventory load rating Lower than 99% of rated New Hampshire bridges

CARLTON ROAD in Cheshire, New Hampshire sits above 1% of rated New Hampshire bridges on inventory load rating (5 t), while its 1869 build year is earlier than 96% of Cheshire's recorded-year cohort (192 bridges).

CARLTON ROAD in Cheshire, New Hampshire is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1869, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure NH:025101480010000

PRE-1950 · TIMBER · SINGLE-SPAN · DECK-LED · LOCAL-ADT · LIGHT-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • TIMBER Wood or timber
  • SINGLE-SPAN Single span
  • DECK-LED Deck-led
  • LOCAL-ADT Local ADT
  • LIGHT-LOAD Light load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: CARLTON ROAD

The CARLTON ROAD bridge in Cheshire, New Hampshire carries CARLTON ROAD over SOUTH BROOK. It was built in 1869, making it 157 years old today. It was last reconstructed in 1997, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 493 vehicles, placing it in the lower-traffic tier of New Hampshire bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How CARLTON ROAD compares

▼ 33.0
Load rating vs New Hampshire average (38.4 t; 2,540 of 2,542 rated)
192
Bridges in Cheshire · 22 in Poor condition

Age against the county: built in 1869, earlier than 185 of Cheshire's 192 bridges with a recorded construction year (96%), against a county median build year of 1960. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CARLTON ROAD 5.4 t
New Hampshire average (2,540 of 2,542 rated) 38.4 t

Live comparison across New Hampshire bridges with a recorded inventory load rating (2,540 of 2,542 rated).

CARLTON ROAD vs every rated New Hampshire bridge

Inventory load rating (metric tons), FHWA NBI, this state

5 Top 99% higher than 1% of 2,540 bridges

rated New Hampshire bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
5.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Cheshire inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 192 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1869
Last Reconstructed
1997
Material
Wood or Timber
Number of Spans
1
Structure Length
21.0 m (69 ft)
Deck Width
5.2 m (17 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
493 vehicles/day
Structure Number
025101480010000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CARLTON ROAD is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare CARLTON ROAD against other structures in Cheshire and across New Hampshire. New Hampshire bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for CARLTON ROAD?

CARLTON ROAD in Cheshire, New Hampshire has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CARLTON ROAD inspected?

CARLTON ROAD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 493 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. CARLTON ROAD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CARLTON ROAD?

CARLTON ROAD has an NBI inventory load rating of 5.4 metric tons.

Who is responsible for maintaining CARLTON ROAD?

CARLTON ROAD is owned and maintained by City/Municipal Highway Agency.

How old is CARLTON ROAD and does age affect safety?

CARLTON ROAD was built in 1869, making it 157 years old and last reconstructed in 1997.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.